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直接金属的机械性能激光烧结薄壁钢 (MS1) 元素
Jerzy Bochnia1, Tomasz Kozior1, Jarosław Zyz1
1Faculty of Mechatronics and Mechanical Engineering, Kielce University of Technology, 25-314 Kielce, Poland.
Materials (Basel, Switzerland)
|July 14, 2023
概括
钢 (MS1) 的直接金属激光烧结 (DMLS) 表明机械性能独立于构造方向. 然而,拉伸强度受到薄壁元件的显著影响.
科学领域:
- 材料科学 材料科学 材料科学
- 增材制造 增材制造 增材制造
- 机械工程 机械工程
背景情况:
- 直接金属激光烧结 (DMLS) 是一种先进的增材制造技术.
- 钢 (MS1) 是一种高强度合金,通常用于苛刻的应用.
- 了解DMLS制造组件的机械性能对于其可靠的应用至关重要.
研究的目的:
- 为了研究通过DMLS.生产的薄壁钢 (MS1) 部件的机械性能.
- 分析建筑方向和墙壁厚度对抗拉强度的影响.
- 检查制造元素的微观结构.
主要方法:
- 使用DMLS制造薄壁MS1元件.
- 静态拉伸强度测试.
- 使用扫描电子显微镜 (SEM) 进行显微镜检查.
主要成果:
- 发现拉力强度独立于构造方向,表明没有显著的异构性.
- 观察到机械性能对墙壁厚度的强烈依赖.
- SEM分析揭示了融材料微观结构中的局部不连续性.
结论:
- 构造方向不会显著影响DMLS.制造的薄壁MS1的机械性能.
- 墙壁厚度是影响这些组件机械性能的一个关键参数.
- 该研究有助于增材制造知识,并触及精益制造原则.
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